375445013 has 2 divisors, whose sum is σ = 375445014. Its totient is φ = 375445012.

The previous prime is 375445003. The next prime is 375445033. The reversal of 375445013 is 310544573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236605924 + 138839089 = 15382^2 + 11783^2 .

It is an emirp because it is prime and its reverse (310544573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 375445013 - 2⁸ = 375444757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375445003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187722506 + 187722507.

It is an arithmetic number, because the mean of its divisors is an integer number (187722507).

Almost surely, 2^375445013 is an apocalyptic number.

It is an amenable number.

375445013 is a deficient number, since it is larger than the sum of its proper divisors (1).

375445013 is an equidigital number, since it uses as much as digits as its factorization.

375445013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 375445013 is about 19376.4035104557. The cubic root of 375445013 is about 721.4099256392.

Adding to 375445013 its reverse (310544573), we get a palindrome (685989586).

The spelling of 375445013 in words is "three hundred seventy-five million, four hundred forty-five thousand, thirteen".